left-hander noun a criminal UK Superstition holds the dextrous (right-handed) to be righteous and the sinister (left-handed) to be evil.
“You ‘been away’ [in prison] or something?” “No, not at all.” I was momentarily backfooted by her use of the left-handers’ euphemism. — Diran Abedayo, MyOnceUponATime, p. 118, 2000